Physical and Chemical Agents Bactericidal concentration of phenol is 0.5% 0.25% 0.75% 1% 0.5% 0.25% 0.75% 1% ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is most effective for sterilizing mattresses and plastic petri plates? Ultraviolet radiation Glutaraldehyde Ethylene oxide Chlorine Ultraviolet radiation Glutaraldehyde Ethylene oxide Chlorine ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following skin disinfectant(s) is/are most frequently used? none of these Both (a) and (b) Ethyl alcohol Isopropyl alcohol none of these Both (a) and (b) Ethyl alcohol Isopropyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents All of the following are sporicidal except alcohol glutaraldehyde ethylene oxide formaldehyde alcohol glutaraldehyde ethylene oxide formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following describes the effect of ionizing radiation on microbes? Changes the 3-dimensional structure of proteins to a 2-dimen-sional form Induces electrons and protons to jump out of the molecules of the microbe None of these Substantially decreases enzymatic activity, slowing microbial reproduction Changes the 3-dimensional structure of proteins to a 2-dimen-sional form Induces electrons and protons to jump out of the molecules of the microbe None of these Substantially decreases enzymatic activity, slowing microbial reproduction ANSWER DOWNLOAD EXAMIANS APP
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